| c732d49e |
* Contact for licensing options: <licensing-mcpttclient(at)mcopenplatform(dot)com>
*
* The original file was part of Open Source Doubango Framework
* Copyright (C) 2010-2011 Mamadou Diop.
* Copyright (C) 2012 Doubango Telecom <http://doubango.org>
*
* This file is part of Open Source Doubango Framework.
*
* DOUBANGO is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* DOUBANGO is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with DOUBANGO.
*
*/
/**@file tsdp_header_A.c
* @brief SDP "a=" header (Attributes).
*
*/
#include "tinysdp/headers/tsdp_header_A.h"
#include "tsk_debug.h"
#include "tsk_memory.h"
#include "tsk_string.h"
#include <string.h>
/***********************************
* Ragel state machine.
*/
/* #line 62 "./ragel/tsdp_parser_header_A.rl" */
tsdp_header_A_t* tsdp_header_A_create(const char* field, const char* value)
{
return tsk_object_new(TSDP_HEADER_A_VA_ARGS(field, value));
}
tsdp_header_A_t* tsdp_header_A_create_null()
{
return tsdp_header_A_create(tsk_null, tsk_null);
}
int tsdp_header_A_tostring(const tsdp_header_t* header, tsk_buffer_t* output)
{
if(header){
const tsdp_header_A_t *A = (const tsdp_header_A_t *)header;
return tsk_buffer_append_2(output, "%s%s%s",
A->field,
A->value ? ":" : "",
A->value ? A->value : ""
);
}
return -1;
}
tsdp_header_t* tsdp_header_A_clone(const tsdp_header_t* header)
{
if(header){
const tsdp_header_A_t *A = (const tsdp_header_A_t *)header;
return (tsdp_header_t*)tsdp_header_A_create(A->field, A->value);
}
return tsk_null;
}
tsdp_header_A_t *tsdp_header_A_parse(const char *data, tsk_size_t size)
{
int cs = 0;
const char *p = data;
const char *pe = p + size;
const char *eof = pe;
tsdp_header_A_t *hdr_A = tsdp_header_A_create_null();
const char *tag_start = tsk_null;
TSK_RAGEL_DISABLE_WARNINGS_BEGIN()
/* #line 93 "./src/headers/tsdp_header_A.c" */
static const char _tsdp_machine_parser_header_A_actions[] = {
0, 1, 0, 1, 1, 1, 2, 2,
0, 2
};
static const char _tsdp_machine_parser_header_A_key_offsets[] = {
0, 0, 1, 3, 18, 19, 35, 35,
36
};
static const char _tsdp_machine_parser_header_A_trans_keys[] = {
97, 32, 61, 32, 33, 37, 39, 126,
42, 43, 45, 46, 48, 57, 65, 90,
95, 122, 10, 13, 33, 37, 39, 58,
126, 42, 43, 45, 46, 48, 57, 65,
90, 95, 122, 13, 13, 0
};
static const char _tsdp_machine_parser_header_A_single_lengths[] = {
0, 1, 2, 5, 1, 6, 0, 1,
1
};
static const char _tsdp_machine_parser_header_A_range_lengths[] = {
0, 0, 0, 5, 0, 5, 0, 0,
0
};
static const char _tsdp_machine_parser_header_A_index_offsets[] = {
0, 0, 2, 5, 16, 18, 30, 31,
33
};
static const char _tsdp_machine_parser_header_A_indicies[] = {
0, 1, 0, 2, 1, 2, 3, 3,
3, 3, 3, 3, 3, 3, 3, 1,
4, 1, 5, 6, 6, 6, 7, 6,
6, 6, 6, 6, 6, 1, 1, 9,
8, 11, 10, 0
};
static const char _tsdp_machine_parser_header_A_trans_targs[] = {
2, 0, 3, 5, 6, 4, 5, 7,
8, 4, 8, 4
};
static const char _tsdp_machine_parser_header_A_trans_actions[] = {
0, 0, 0, 1, 0, 3, 0, 3,
1, 7, 0, 5
};
static const char _tsdp_machine_parser_header_A_eof_actions[] = {
0, 0, 0, 0, 0, 3, 0, 7,
5
};
static const int tsdp_machine_parser_header_A_start = 1;
static const int tsdp_machine_parser_header_A_first_final = 5;
static const int tsdp_machine_parser_header_A_error = 0;
static const int tsdp_machine_parser_header_A_en_main = 1;
/* #line 114 "./ragel/tsdp_parser_header_A.rl" */
/* #line 159 "./src/headers/tsdp_header_A.c" */
{
cs = tsdp_machine_parser_header_A_start;
}
/* #line 115 "./ragel/tsdp_parser_header_A.rl" */
(void)(tsdp_machine_parser_header_A_first_final);
(void)(tsdp_machine_parser_header_A_error);
(void)(tsdp_machine_parser_header_A_en_main);
/* #line 169 "./src/headers/tsdp_header_A.c" */
{
int _klen;
unsigned int _trans;
const char *_acts;
unsigned int _nacts;
const char *_keys;
if ( p == pe )
goto _test_eof;
if ( cs == 0 )
goto _out;
_resume:
_keys = _tsdp_machine_parser_header_A_trans_keys + _tsdp_machine_parser_header_A_key_offsets[cs];
_trans = _tsdp_machine_parser_header_A_index_offsets[cs];
_klen = _tsdp_machine_parser_header_A_single_lengths[cs];
if ( _klen > 0 ) {
const char *_lower = _keys;
const char *_mid;
const char *_upper = _keys + _klen - 1;
while (1) {
if ( _upper < _lower )
break;
_mid = _lower + ((_upper-_lower) >> 1);
if ( (*p) < *_mid )
_upper = _mid - 1;
else if ( (*p) > *_mid )
_lower = _mid + 1;
else {
_trans += (_mid - _keys);
goto _match;
}
}
_keys += _klen;
_trans += _klen;
}
_klen = _tsdp_machine_parser_header_A_range_lengths[cs];
if ( _klen > 0 ) {
const char *_lower = _keys;
const char *_mid;
const char *_upper = _keys + (_klen<<1) - 2;
while (1) {
if ( _upper < _lower )
break;
_mid = _lower + (((_upper-_lower) >> 1) & ~1);
if ( (*p) < _mid[0] )
_upper = _mid - 2;
else if ( (*p) > _mid[1] )
_lower = _mid + 2;
else {
_trans += ((_mid - _keys)>>1);
goto _match;
}
}
_trans += _klen;
}
_match:
_trans = _tsdp_machine_parser_header_A_indicies[_trans];
cs = _tsdp_machine_parser_header_A_trans_targs[_trans];
if ( _tsdp_machine_parser_header_A_trans_actions[_trans] == 0 )
goto _again;
_acts = _tsdp_machine_parser_header_A_actions + _tsdp_machine_parser_header_A_trans_actions[_trans];
_nacts = (unsigned int) *_acts++;
while ( _nacts-- > 0 )
{
switch ( *_acts++ )
{
case 0:
/* #line 42 "./ragel/tsdp_parser_header_A.rl" */
{
tag_start = p;
}
break;
case 1:
/* #line 46 "./ragel/tsdp_parser_header_A.rl" */
{
TSK_PARSER_SET_STRING(hdr_A->field);
}
break;
case 2:
/* #line 50 "./ragel/tsdp_parser_header_A.rl" */
{
TSK_PARSER_SET_STRING(hdr_A->value);
}
break;
/* #line 261 "./src/headers/tsdp_header_A.c" */
}
}
_again:
if ( cs == 0 )
goto _out;
if ( ++p != pe )
goto _resume;
_test_eof: {}
if ( p == eof )
{
const char *__acts = _tsdp_machine_parser_header_A_actions + _tsdp_machine_parser_header_A_eof_actions[cs];
unsigned int __nacts = (unsigned int) *__acts++;
while ( __nacts-- > 0 ) {
switch ( *__acts++ ) {
case 0:
/* #line 42 "./ragel/tsdp_parser_header_A.rl" */
{
tag_start = p;
}
break;
case 1:
/* #line 46 "./ragel/tsdp_parser_header_A.rl" */
{
TSK_PARSER_SET_STRING(hdr_A->field);
}
break;
case 2:
/* #line 50 "./ragel/tsdp_parser_header_A.rl" */
{
TSK_PARSER_SET_STRING(hdr_A->value);
}
break;
/* #line 295 "./src/headers/tsdp_header_A.c" */
}
}
}
_out: {}
}
/* #line 119 "./ragel/tsdp_parser_header_A.rl" */
TSK_RAGEL_DISABLE_WARNINGS_END()
if( cs <
/* #line 307 "./src/headers/tsdp_header_A.c" */
5
/* #line 121 "./ragel/tsdp_parser_header_A.rl" */
){
TSK_DEBUG_ERROR("Failed to parse \"a=\" header.");
TSK_OBJECT_SAFE_FREE(hdr_A);
}
return hdr_A;
}
int tsdp_header_A_removeAll_by_field(tsdp_headers_A_L_t *attributes, const char* field)
{
tsk_list_item_t* item;
const tsdp_header_A_t* A;
if(!attributes || !field){
TSK_DEBUG_ERROR("Invalid parameter");
return -1;
}
again:
tsk_list_foreach(item, attributes){
if(!(A = item->data) || TSDP_HEADER(A)->type != tsdp_htype_A){
continue;
}
if(tsk_striequals(field, A->field)){
tsk_list_remove_item(attributes, item);
goto again;
}
}
return 0;
}
int tsdp_header_A_removeAll_by_fields(tsdp_headers_A_L_t *attributes, const char** fields, tsk_size_t fields_count)
{
tsk_size_t i;
if(!attributes || !fields){
TSK_DEBUG_ERROR("Invalid parameter");
return -1;
}
for(i = 0; i < fields_count; ++i){
if(!fields[i]){
continue;
}
tsdp_header_A_removeAll_by_field(attributes, fields[i]);
}
return 0;
}
//========================================================
// A header object definition
//
static tsk_object_t* tsdp_header_A_ctor(tsk_object_t *self, va_list * app)
{
tsdp_header_A_t *A = self;
if(A)
{
TSDP_HEADER(A)->type = tsdp_htype_A;
TSDP_HEADER(A)->tostring = tsdp_header_A_tostring;
TSDP_HEADER(A)->clone = tsdp_header_A_clone;
TSDP_HEADER(A)->rank = TSDP_HTYPE_A_RANK;
A->field = tsk_strdup(va_arg(*app, const char*));
A->value = tsk_strdup(va_arg(*app, const char*));
}
else{
TSK_DEBUG_ERROR("Failed to create new A header.");
}
return self;
}
static tsk_object_t* tsdp_header_A_dtor(tsk_object_t *self)
{
tsdp_header_A_t *A = self;
if(A){
TSK_FREE(A->field);
TSK_FREE(A->value);
}
else{
TSK_DEBUG_ERROR("Null A header.");
}
return self;
}
static int tsdp_header_A_cmp(const tsk_object_t *obj1, const tsk_object_t *obj2)
{
if(obj1 && obj2){
return tsdp_header_rank_cmp(obj1, obj2);
}
else{
return -1;
}
}
static const tsk_object_def_t tsdp_header_A_def_s =
{
sizeof(tsdp_header_A_t),
tsdp_header_A_ctor,
tsdp_header_A_dtor,
tsdp_header_A_cmp
};
const tsk_object_def_t *tsdp_header_A_def_t = &tsdp_header_A_def_s; |